Inter Miami CF vs. Philadelphia Union

Platform comparison

Active sub-markets

Market context

Inter Miami CF will face Philadelphia Union in an MLS regular season match on Sunday, 24 May 2026. The 60% implied probability for a Miami victory reflects their recent competitive standing within the Eastern Conference, though the fixture carries genuine uncertainty given the Union's defensive record and home-field considerations for either side depending on venue assignment.

Historically, Miami's performance in comparable fixtures against mid-table Eastern Conference opponents has ranged between 45–65% win probability, with outcomes heavily influenced by squad rotation during the MLS calendar and injury status of key attacking players. The Union have demonstrated resilience in similar matchups, particularly when playing at Subaru Park, where their win rate exceeds league average. Current 60% odds suggest the market is pricing Miami as marginal favourites rather than strong picks, consistent with their recent form trajectory through April and early May 2026.

Traders should monitor team news releases through 23 May for confirmed lineups, particularly regarding Miami's attacking depth and Philadelphia's defensive availability. MLS fixture congestion—including potential cup competitions or international breaks affecting squad rotation—remains a material variable. The USDC settlement mechanism resolves at 23:00 UTC on 24 May, allowing for same-day match conclusion. Funding rates on related sports derivatives have remained stable, with no significant whale positioning detected on major crypto sports books as of mid-May, suggesting retail-driven probability rather than sharp institutional conviction either direction.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.